/Engine/Plugins/Runtime/Metasound/Source/MetasoundFrontend/Public/MetasoundFrontendSearchEngine.h
Returns array with all registered interfaces. Optionally, include interface versions that are not the highest version.
[TArray](API\Runtime\Core\Containers\TArray)< [FMetasoundFrontendInterface](API\Plugins\MetasoundFrontend\FMetasoundFrontendInterface) > FindAllInterfaces ( bool bInIncludeAllVersions )